WestLaw (subscription
needed)
Westlaw is West's online legal research service. It provides
fast and easy access to an extensive collection of legal
resources, news, business, and public records information.

Find
Law
FindLaw is one of the most extensive all-purpose legal research
sites on the internet, FindLaw provides news, primary documents,
and links to all sorts of legal materials.

LoisLaw (subscription
needed)
Loislaw is a comprehensive electronic legal research site.
It allows you to search through state and federal cases,
statutes, and regulations from multiple jurisdictions at
the same time; cite-check case law and statutes electronically;
copy and paste directly into your word processor; quickly
save searches for re-use.

VersusLaw (subscription
needed)
VersusLaw is a legal research database. It offers three different
plans to different legal research needs. Standard Plan contains
federal and state appellate case law opinions. Premium Plan
offers access to Standard Plan case law as well as selected
state source materials, and increased search engine capabilities
including a citation search feature. Professional Plan provides
all the essentials of the Premium Plan, access to additional
federal specialty practice courts, and current versions of
the U.S. Code and Code of Federal Regulations.

The Virtual Chase
Virtual Chase offers more than 600 pages of information pertaining
to resources and research strategies. Designed especially
for lawyers and other experienced legal researchers, the
site guides visitors through the Internet chaff in an effort
to find its grains of wheat.

Law Journals
This site is provided by University of Southern California
Law School. It furnishes a great numbers of online version
of law journals and law reviews.